AMD Ryzen 9 3900XT vs Ryzen 9 3900X

We compared two 12-core desktop CPUs: the 3.8 GHz AMD Ryzen 9 3900XT against the 3.8 GHz Ryzen 9 3900X. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 3900X and 3900XT
Advantages of AMD Ryzen 9 3900XT
  • Newer - released 1-year later
  • 2% higher Turbo Boost frequency (4.7 GHz vs 4.6 GHz)

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
18746
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
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Specifications

Full technical specification of AMD Ryzen 9 3900XT and Ryzen 9 3900X

General

Vendor AMD AMD
Released July 7, 2020 July 7, 2019
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Zen 2 Zen 2
Socket AM4 AM4
Integrated GPU No No

Performance

Cores 12 12
Threads 24 24
Base Frequency 3.8 GHz 3.8 GHz
Turbo Boost Frequency 4.7 GHz 4.6 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 38x 38x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 512K (per core) 512K (per core)
L3 Cache 64MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes

Power

Transistors 3.8 billions 3.8 billions
Fabrication process 7 nm 7 nm
TDP 105 W 105 W
Max. temperature 95°C 95°C

Memory support

Memory types DDR4-3200 DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 47.68 GB/s 47.68 GB/s
ECC Support Yes Yes

Misc

Official site AMD Ryzen 9 3900XT official page AMD Ryzen 9 3900X official page
PCI Express Version 4.0 4.0
PCI Express Lanes 24 16

Cast your vote

Choose between two processors
220 (60.6%)
143 (39.4%)
Total votes: 363

Comments

So which CPU will you choose: AMD Ryzen 9 3900X or Ryzen 9 3900XT?
Avatar
Zaiton Sameon 08 July 2020 11:56
I will choose Ryzen 9 3900X because it's on sale now.
+31 Reply
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